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Influenza vaccination and risk of community-acquired pneumonia in immunocompetent elderly people: a population-based, nested case-control study |
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| Authors: | Jackson Michael L Nelson Jennifer C Weiss Noel S Neuzil Kathleen M Barlow William Jackson Lisa A |
| Affiliation: | Group Health Center for Health Studies, Seattle, WA 98101-1448, USA. mlj3@cornell.edu |
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| 本文献已被 PubMed 等数据库收录！ | |